534608750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 80

約数和(自身を含む): 1091125728

約数和(自身を除く): 556516978

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 167, 197, 250, 325, 334, 394, 625, 650, 835, 985, 1250, 1625, 1670, 1970, 2171, 2561, 3250, 4175, 4342, 4925, 5122, 8125, 8350, 9850, 10855, 12805, 16250, 20875, 21710, 24625, 25610, 32899, 41750, 49250, 54275, 64025, 65798, 104375, 108550, 123125, 128050, 164495, 208750, 246250, 271375, 320125, 328990, 427687, 542750, 640250, 822475, 855374, 1356875, 1600625, 1644950, 2138435, 2713750, 3201250, 4112375, 4276870, 8224750, 10692175, 20561875, 21384350, 41123750, 53460875, 106921750, 267304375, 534608750]

約数ペア:

[(1, 534608750), (2, 267304375), (5, 106921750), (10, 53460875), (13, 41123750), (25, 21384350), (26, 20561875), (50, 10692175), (65, 8224750), (125, 4276870), (130, 4112375), (167, 3201250), (197, 2713750), (250, 2138435), (325, 1644950), (334, 1600625), (394, 1356875), (625, 855374), (650, 822475), (835, 640250), (985, 542750), (1250, 427687), (1625, 328990), (1670, 320125), (1970, 271375), (2171, 246250), (2561, 208750), (3250, 164495), (4175, 128050), (4342, 123125), (4925, 108550), (5122, 104375), (8125, 65798), (8350, 64025), (9850, 54275), (10855, 49250), (12805, 41750), (16250, 32899), (20875, 25610), (21710, 24625)]